Fluid Components Intl ST51A, Installation, Operation & Maintenance Instruction Manual

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ST51A/ST75A/ST75AV Mass Flow Meters OPERATION
Fluid Components International LLC 33
● Switchpoint0/Switchpoint1: The setpoint at which the level output activates when configured for Alarm function. The programmed
setpoint is in the same units as the measured flow or temperature.
For wiring details see Pulse Output and Alarm (Source/Sink , page 23 .
Serial Interface Command Reference
Top Level Menu Commands
Table 8 below summarizes the single-letter, top level menu commands accessible via the serial interface (computer/FC88).
Note: Some top-level commands are Factory Only with special passcode protection. Contact the factory for details if your
application requires use of these commands.
Table 8 – Top Level Menu Commands
Command Mnemonic Command Function Command Description
A R AvgDelta_R, AvgRef
B R Delta R, Ref R, Active R
C R Tcdelta_R, Ref_R
D R Diagnostics
F R/W KFactor
G
1
R/W
Clear FlashEE, Boxcar Count, Calibration Changes, Sensor
Cable Ohms Changes
I
1
R 4-20 mA Forced Output: 0%, 25%, 50%, 75%, 100%
K
1
R/W Cal Parameters
L R/W Output Calibration
N W Warm Restart
Q W Escape Menu
R
1
W Factory Restore
S R/W Totalizer Menu On/Off
T R Normal Mode Operation
V R/W Output Configuration
W R/W Totalizer
X R Raw A to D Counts, Ref_R, Active_R
Y
1
R/W Command Line Interface
Z
2
R/W Flow Units, Output Scaling
P & U — Available in L menu; U (Up/Increment), P (Down/Decrement)
Notes: 1: Passcode = 357
2: See Z Menu: Configure Flow Units and 4-20 mA Output Scaling , page 29 .